Base | Representation |
---|---|
bin | 1011101010100… |
… | …1100101110100 |
3 | 10102001212011101 |
4 | 2322221211310 |
5 | 100011213030 |
6 | 4504415444 |
7 | 1132614361 |
oct | 272514564 |
9 | 112055141 |
10 | 48929140 |
11 | 2568a207 |
12 | 14477584 |
13 | a1a1b70 |
14 | 66d9468 |
15 | 44677ca |
hex | 2ea9974 |
48929140 has 24 divisors (see below), whose sum is σ = 110655720. Its totient is φ = 18066048.
The previous prime is 48929093. The next prime is 48929143. The reversal of 48929140 is 4192984.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 320356 + 48608784 = 566^2 + 6972^2 .
It is a super-2 number, since 2×489291402 = 4788121482279200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 48929140.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48929143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93835 + ... + 94354.
It is an arithmetic number, because the mean of its divisors is an integer number (4610655).
Almost surely, 248929140 is an apocalyptic number.
It is an amenable number.
48929140 is an abundant number, since it is smaller than the sum of its proper divisors (61726580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48929140 is a wasteful number, since it uses less digits than its factorization.
48929140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188211 (or 188209 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 48929140 is about 6994.9367402429. The cubic root of 48929140 is about 365.7540924339.
The spelling of 48929140 in words is "forty-eight million, nine hundred twenty-nine thousand, one hundred forty".
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